144 
APPENDIX L-ASTRONOMICAL OBSERVATIONS. 
ASTRONOMICAL OBSERVATIONS—Continued. 
CAMP ELEVEN AND FOUR- TENTHS MILES EAST OE 
THE SCLPHUR SPRINGS OE THE COLORADO. 
April 12, 1854. 
d. m. s. 
Magnetic amplitude of the Sun’s centre at his 
setting. 00 00 00 
Variation.;. 9 58 50 
CAMP ON DIVIDING RIDGE OE THE COLORADO AND 
BRAZOS RIVERS. 
April 17, 1854. 
Magnetic amplitude of the Sun's cent re at his 
.ising.,.N. 24 30 00 
CAMP ON TRIBUTARY OF THE BRAZOS RIVER. 
DETERMINATION OF LATITUDE. 
6 36 44 
6 37 46 
6 38 41 
6 39 50 
6 40 52 
6 41 51 
62 31 00 
62 12 40 
61 47 40 
60 27 10 
60 10 10 
59 52 40 
Double altitudes of Arcturus in the east. 
73 32 20 
73 55 10 
74 22 40 
74 46 09 
75 18 50 
75 42 00 
Thermometer 6i° Fahrenheit. 
63 30 40 
63 28 50 
63 27 40 
63 26 50 
63 25 40 
63 24 50 
63 23 50 
63 22 50 
63 21 40 
63 20 50 
63 20 00 
63 19 30 
63 18 30 
63 17 30 
63 16 20 
63 15 20 
63 14 10 
Deduced latitudes. 
32 40 23.91 
32 40 24.41 
Thermometer 64° Fahrenheit. 
8 52 01 
8 52 59 
8 53 51 
8 54 44 
d. m. s. 
70 45 10 
71 05 40 
71 22 40 
71 39 40 
71 56 10 
72 11 20 
72 2.9 40 
72 42 30 
72 57 40 
73 13 10 
73 29 40 
73 44 20 
73 59 50 
74 13 20 
74 32 10 
74 45 30 
7,4 58 10 
75 12 40 
75 27 00 
75 42 10 
75 56 00 
76 10 00 
Deduced latitudes. 
Thermometer 64° Fahrenheit. 
